今天这节课将检验你的学习成果。请根据以下科目的描述猜测科目的名称：First subject: In this class, students study countries of the world, natural features, population, climate.（第一个科目：在这节课上，学生们学习世界各个国家、自然特征、人口、气候）Second subject: students draw and paint in this subject.（第二个科目：学生在这节课上绘画）Third subject: this subject is a science. Students learn about plants and animals.（第三个科目：这一科目是一种科学，学生们学习植物与动物）Last one: in this subject, teachers ask students to read novels, stories and poems.（最后一个科目，老师教学生阅读小说、故事和诗歌）。请回答以上这些科目分别是什么。